Color: As Shown Size: 30 Feet (Approx) Package Contents: 6 * Replacement Trimmer Spools 1 * Replacement Cover 1 * Replacement Spring Features: Compatible with most trimmer models Black and Decker: GH400, GH500, GH600, GH610, GH900, GH912, ST6600, ST7000, ST7700, CST1000, CST1200, CST2000, MTC220, MTE912, NST2000, LST2018, NST1118, NST2208, L ST420, LST135. Reliable and flexible, so lines can stretch and cushion when hitting hard surfaces Premium 30ft / 0.065"" Replacement Line: A 30ft replacement line is a high quality factory power supply. Replacement trimmer spool is compatible with Black &amp; Decker and uses centrifugal force to feed the trimmer line when needed. Automatic spool replacement system to reduce the tedious work of hand-wound spools Tips:< /p> 1. All images are professionally color coded, but due to different ambient light conditions. and different display device settings, there may be some differences between the pictures displayed and the items themselves. Try to understand. 2. The data is measured manually. There may be deviations, but it has no effect on use.